Nguyen, a program evaluation consultant, is hired to assess whether her client$$s new leadership development program encourages managers to use more servant leadership techniques, as well as improve the engagement of the employees who work on the managers$$ teams. Which of the following statements best characterizes the role that these variables would serve in Nguyen$$s model?

Question $3$Select one:

a$.$

Servant leadership and engagement are both independent variables.

b$.$

Servant leadership is a moderator variable, and engagement is a dependent variable.

c$.$

Engagement and servant leadership are both dependent variables.

d$.$

Engagement is an independent variable, and servant leadership is a dependent variable.